22215895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 29408832

約数和(自身を除く): 7192937

約数列:

[1, 5, 13, 61, 65, 169, 305, 431, 793, 845, 2155, 3965, 5603, 10309, 26291, 28015, 51545, 72839, 131455, 341783, 364195, 1708915, 4443179, 22215895]

約数ペア:

[(1, 22215895), (5, 4443179), (13, 1708915), (61, 364195), (65, 341783), (169, 131455), (305, 72839), (431, 51545), (793, 28015), (845, 26291), (2155, 10309), (3965, 5603)]